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bcache.h

Timestamp:

08/21/08 21:46:06 (4 years ago)

Author:

mwhitworth

Message:

Add info.h, icfs.h and kfs.h for infofs/configfs layer.

Files:

r670	r853
25	25	#define VFS_BCACHE_H
26	26
	27	#include <sdevice.h>
	28	#include <wait.h>
	29
27	30	/* Buffer flags. Bit index into buffer->flags. */
28	31	#define BUFFER_DIRTY 0x0
29	32	#define BUFFER_LOCKED 0x1
	33	#define BUFFER_JOURNAL 0x2
30	34
31	35	/* Defines for dealing with flags. */
32	36	#define BufferLocked(buffer) ((buffer)->flags & (1 << BUFFER_LOCKED))
33	37	#define BufferDirty(buffer) ((buffer)->flags & (1 << BUFFER_DIRTY))
	38	#define BufferJournal(buffer) ((buffer)->flags & (1 << BUFFER_JOURNAL))
34	39
35	40	/* Reference counting. Blocks are only freed if there are no references
…	…
53	58	BYTE* data;
54	59	WaitQueue waitQueue;
	60	void* privData;
55	61	};
56	62
…	…
58	64
59	65	int BlockInit();
	66	struct Buffer* BlockBufferAlloc(struct StorageDevice* device, DWORD blockNum);
60	67	struct Buffer* BlockRead(struct StorageDevice* device,DWORD blockNum);
61	68	int BlockWrite(struct StorageDevice* device,struct Buffer* buffer);
…	…
64	71	int BlockFree(struct Buffer* buffer);
65	72	int BlockSetSize(struct StorageDevice* device,int blockSize);
	73	int BlockCreateHashTable(struct StorageDevice* dev);
66	74
67	75	/* Buffer locking */